:root{--paper: #f3efe6;--card: #fffdf8;--line: #d9d0c3;--text: #1c1c1c;--muted: #5c645f;--accent: #b4532a;--ok: #2f6f5e;--danger: #9b2c2c;--radius: 10px;font-family:Pretendard,Noto Sans KR,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;background:var(--paper);color:var(--text)}button,input{font:inherit}main{max-width:420px;margin:0 auto;padding:32px 20px}h1{margin:0 0 8px;font-size:22px}.lede,.muted{color:var(--muted);line-height:1.5}.err{color:var(--danger)}.ok-msg{color:var(--ok)}.sns{display:flex;flex-direction:column;gap:10px;margin-top:24px}.btn{border:0;border-radius:var(--radius);padding:12px 16px;background:var(--accent);color:#fff;cursor:pointer}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.field{display:flex;flex-direction:column;gap:6px;margin-top:16px}.field select,.field input{border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;background:var(--card)}.store-list{display:flex;flex-direction:column;gap:10px;margin-top:20px}.store-card{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--card);color:var(--text);text-align:left}.store-card.selected{border-color:var(--accent)}.store-card span{display:flex;flex-direction:column;gap:4px}.store-card small{color:var(--muted)}.store-card em{flex:0 0 auto;color:var(--ok);font-style:normal}.qr-panel{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}.qr-panel small{color:var(--muted)}.store-panel{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}.store-panel h2{margin:0 0 4px;font-size:18px}.store-panel h3{margin:16px 0 6px;font-size:15px}